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China is expected to have 255 million people aged 60 or over by the end of this year, comprising 17.8 percent of the population, according to the National Health Commission.
China has set ambitious goal in cloud computing, expecting industry to be worth 430 billion yuan by 2019, said a government plan unveiled last year.
China has the largest number of plateau airports globally, and they are mainly located in western China, such as the Tibet autonomous region, as well as Qinghai, Sichuan and Yunnan provinces.
China is currently the biggest foreign investor in Laos and the country's second-largest trading partner.
China is Russia's largest trade partner, with total trade volume between the two countries reaching billion in 2017, Putin said.
来源：资阳报